APA (7th ed.) Citation

Stutz, R. G., Kreutz, F., & Fenaughty, R. R. (1977). Sikorsky YUH-60A UTTAS: Helicopter flight test program. Sikorsky Aircraft.

Chicago Style (17th ed.) Citation

Stutz, Richard G., Frank Kreutz, and Ronald R. Fenaughty. Sikorsky YUH-60A UTTAS: Helicopter Flight Test Program. Stratford, Conn.: Sikorsky Aircraft, 1977.

MLA (9th ed.) Citation

Stutz, Richard G., et al. Sikorsky YUH-60A UTTAS: Helicopter Flight Test Program. Sikorsky Aircraft, 1977.